제출 #1137353

#제출 시각아이디문제언어결과실행 시간메모리
1137353rixiepixiePo (COCI21_po)C++20
70 / 70
6 ms1608 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { cin.tie(0); ios_base::sync_with_stdio(false); /// int n; cin >> n; vector<ll> a(n); for (int i = 0; i < n; i++) { cin >> a[i]; } stack<ll> st; ll ans = 0; for (int i = 0; i < n; i++) { while (!st.empty() && st.top() > a[i]) { st.pop(); } if (a[i] > 0 && (st.empty() || st.top() < a[i])) { ans++; st.push(a[i]); } } cout << ans << "\n"; }
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